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Table of Contents
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Summary of Contents for Keysight 1146B
- Page 1 Keysight 1146B AC/DC Current Probe User’s Guide...
- Page 2 A WARNING notice denotes a hazard. It calls purpose. Keysight shall not be liable for errors or for attention to an operating procedure, practice, incidental or consequential damages in connection...
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Page 3: Table Of Contents
Contents Operation / 5 Before Using the Probe / 5 To Install the Battery / 7 To Perform a Current Measurement / 8 To Clean the Probe / 8 Product Markings / 9 Safety / 10 Concerning the Oscilloscope or Voltage Measuring Instrument to Which the Probe is Connected / 11 Specifications / 13 Characteristics / 14... -
Page 5: Operation
Hall effect technology to measure AC and DC signals. The probe connects directly to an oscilloscope through a 2 meter coaxial cable with an insulated BNC. The 1146B probe is compatible with any analog or digital oscilloscope or other voltage measuring instrument which has the following features: - BNC input connector. - Page 6 Operation Figure 1 Control and Connector Identification Zero-Adjust Knob Use the zero adjust knob to eliminate the probe’s offset before performing a measurement. Battery Power Indicator To ensure proper readings with your current probe, be sure that the green battery indicator is lit during measurement. If not, replace the 9V battery as described in “To Install the Battery"...
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Page 7: To Install The Battery
Operation It is possible to change the current probe ‘s range without removing the WARNING probe from the current carrying conductor, but never exceed the permissible peak ratings of 1000 mV peak or 2000 mV peak-to-peak maximum. The peak ratings by range are: 10A peak on the 100 mV/A range, 100A peak on the 10 mV/A range. -
Page 8: To Perform A Current Measurement
Operation To Perform a Current Measurement Read the warnings in “Safety" on page 10. Connect the current probe to an input channel on the oscilloscope. Connect the probe to the oscilloscope or vol tage measuring instrument WARNING before clamping the probe around a conductor. Set the current probe to its least sensitive range (10 mV/A). -
Page 9: Product Markings
Product Markings Product Markings This symbol indicates the Environmental Protection Use Period (EPUP) for the product’s toxic substances for the China RoHS requirements. The CE symbol indicates the European Community. CAUTION. Risk of Danger. Refer to the manual for more information. -
Page 10: Safety
Safety Safety This manual provides information and warnings essential for operating this probe in a safe manner and for maintaining it in safe operating condition. Before using this equipment and to ensure safe operation and to obtain maximum performance from the probe, carefully read and observe the following warnings, cautions, and notes. -
Page 11: Concerning The Oscilloscope Or Voltage Measuring Instrument To Which The Probe Is Connected
Safety Avoid, if possible, the proximity of other conductors which may create WARNING noise. Do not install substitute parts or perform any unauthorized mod ification to WARNING the probe. Do not clamp the probe on a bare/un-insulated conductor. WARNING Do not operate the probe or oscilloscope in the presence of flammable WARNING gasses or fumes. - Page 12 Safety Before turning on the instrument, you must connect the protective earth WARNING terminal of the instrument to the protective conductor of the (mains) power cord. The mains plug shall only be inserted in a socket outlet provided with a protective earth contact. You must not negate the protective action by using an extension cord (power cable) without a protective conductor (ground ing).
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Page 13: Specifications
Specifications Specifications All probe specifications are warranted based on the following conditions: - Within one year of calibration - 23° C ±5° C - 20% to 75% relative humidity - Probe zeroed - 1 minute warm up - Battery at 9V ± 0.1V - External magnetic field <... -
Page 14: Characteristics
Characteristics Characteristics All probe characteristics are the typical performance values and are not warranted. Characteristics are based on these conditions: - Within one year of calibration - 23° C ±5° C - 20% to 75% relative humitidy - Probe zeroed - 1 minute warm up - Battery at 9V ±... - Page 15 Characteristics Table 3 Environmental and Mechanical Characteristics Item Characteristic Environmental Conditions Operating Temperature 0° C to 50° C Range Storage Temperature –30° C to 80° C Range Temperature Influence < 0.2% per ° C Max Operating Humidity 10° C to 30° C: 85% RH (without condensation) 40°...
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Page 16: Safety Standards
Characteristics Table 4 Battery Characteristics Battery Characteristic Battery Type 9V Alkaline (NEDA 1604A, IEC 6LR61) ≥ Low Battery Indication Green LED (ON) when battery voltage 6.5V Typical Battery Consumption 8.6 mA Typical Battery Life 55 hours Safety Standards - Double insulation or reinforced insulation between primary or secondary and outer case of the handle, per IEC61010. - Page 17 Characteristics Figure 3 Typical Phase Shift Response Curve Accuracy Figure 4 Linearity for a DC Signal Range 10 mV/A...
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Page 18: Performance Verification
AC/DC voltage mode ≥ Ω Signal Generator DC to 100 kHz sine waves Keysight 33120A or Fluke 5500A Able to generate more than 10 mA in the test coil (e.g. an inductive load). Patch Cable Assembly Banana plug connectors Pomona 1440-36-0 ≤... -
Page 19: If The Probe Fails A Test
Performance Verification Figure 5 10 Turn Coil Figure 6 Equipment Setup If the Probe Fails a Test Replace the battery. Verify that the battery voltage is 9V ±0.1V. Ensure that: - The probe's magnetic contact surfaces are clean - The probe tip closes completely around the coil's conductors - The coil is centered in the probe tip opening - The probe tip is perpendicular to the coil's conductors... -
Page 20: Test 1. Dc Current Measurement Accuracy
Set up the Keysight 33120A as follows: Waveform:......... Sine Frequency: . -
Page 21: Test 2. Ac Current Measurement Accuracy
DMM 2: ........AC Volts Set the Keysight 33120A to: Waveform: . -
Page 22: Test 3. Bandwidth (10 Mv/A Range)
Performance Verification Table 7 AC Current Measurement Accuracy Record (10 mV/A range) Measurement Recorded Value Current in Coil (I Probe Output Voltage (V probe Calculate Maximum Probe Output Voltage As: = (I * 10 * 10 mV/A * 1.04) probe max Calculate Minimum Probe Output Voltage As: = (I * 10 * 10 mV/A * 0.96) -
Page 23: Test 4. Dc Current Measurement Accuracy
Set up the Keysight 33120A as follows: Waveform: ........Sine Frequency: . -
Page 24: Test 5. Ac Current Measurement Accuracy
DMM 2: ........AC Volts Set up the Keysight 33120A settings to: Waveform: . -
Page 25: Test 6. Bandwidth Check (100 Mv/A Range)
Performance Verification Do the calculations specified in Table 10 to determine if the probe passes the test. Table 10 AC Current Measurement Accuracy Record (100 mV/A range) Measurement Recorded Value Current in Coil (I Probe Output Voltage (V probe Calculate Maximum Probe Output Voltage As: = (I * 10 * 100 mV/A * 1.03) probe max... - Page 26 Performance Verification Table 11 Band width Record (100 mV/A range) Measurement Recorded Value Current in Coil (I Probe Output Voltage (V probe Calculate Maximum Probe Output Voltage As: = (I * 10 * 100 mV/A * 1.03) probe max Calculate Minimum Probe Output Voltage As: = (I * 10 * 100 mV/A * 0.97) * 0.707 probe min...
- Page 27 Index Numerics operating temperature range, 10 mV/A, 100 mV/A, 10-turn coil, Peak Overload (OL) Indicator, peak ratings, probe, cleaning, battery indicator, installation, range selection switch, typical life, red indicator light, battery power indicator, battery, installing, safety, safety warnings, characteristics, specifications, cleaning, compatibility, transformer wire,...
- Page 28 Keysight Technologies, Inc Printed in Malaysia Manual Part Number: 01146-92005 *01146-92005*...
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